diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b05a9600..b5eca2c3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,16 +13,16 @@ jobs:
     - uses: avsm/setup-ocaml@master
       with:
         ocaml-version: ${{ matrix.ocaml-version }}
-    - name: cache opam
-      id: cache-opam
-      uses: actions/cache@v2
-      with:
-        path: _opam
-        key: opam-${{matrix.operating-system}}-${{matrix.ocaml-version}}
+        #- name: cache opam
+        #  id: cache-opam
+        #  uses: actions/cache@v2
+        #  with:
+        #    path: _opam
+        #    key: opam-${{matrix.operating-system}}-${{matrix.ocaml-version}}
     - run: opam pin -n .
     - run: opam depext -yt sidekick-bin
-      if: steps.cache-opam.outputs.cache-hit != 'true'
+      #if: steps.cache-opam.outputs.cache-hit != 'true'
     - run: opam install -t . --deps-only
-      if: steps.cache-opam.outputs.cache-hit != 'true'
+      #if: steps.cache-opam.outputs.cache-hit != 'true'
     - run: opam exec -- dune build
     - run: opam exec -- dune runtest